1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be719a8b0bffb514ff9321ddf191275f4efc48119a1455bfef635e674dc0bd7. Chain 2 (Bitcoin): anchored in block 953695 (2026-06-14T21:42:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6c6b25e8-d7c5-42ac-9a88-3730dfcd85d3.json and https://artists.proofprofile.net/proofs/artist/6c6b25e8-d7c5-42ac-9a88-3730dfcd85d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You Can't Hide Your Love Forever, Vol. 5
Death on the Hour: Aural Apparitions from the Geographic North